High

Github.com/cri-o/cri-o: fix bypass for cve-2022-4318 — /etc/passwd injection via home env

Type: advisorySource: Official CVE List1 source record

A flaw was found in CRI-O. The fix for a previous vulnerability (CVE-2022-4318) was incorrect, allowing it to be bypassed. An attacker capable of setting environment variables on a container can inject a newline character into the HOME environment variable. This issue allows the addition of arbitrary lines into /etc/passwd by use of a specially crafted environment variable.

Announced 15 Jul 2026Source revision 1

Original source ↗

CVE-2026-15809

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-15809

Red Hat OpenShift Container Platform 4.12

Source reference: /containers/cna/affected/0/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.13

Source reference: /containers/cna/affected/1/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.14

Source reference: /containers/cna/affected/2/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.15

Source reference: /containers/cna/affected/3/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.16

Source reference: /containers/cna/affected/4/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.17

Source reference: /containers/cna/affected/5/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.18

Source reference: /containers/cna/affected/6/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.19

Source reference: /containers/cna/affected/7/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.20

Source reference: /containers/cna/affected/8/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.21

Source reference: /containers/cna/affected/9/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4.22

Source reference: /containers/cna/affected/10/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Confidential Compute Attestation

Source reference: /containers/cna/affected/11/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4

Source reference: /containers/cna/affected/12/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Red Hat OpenShift Container Platform 4

Source reference: /containers/cna/affected/13/product

Affected versions: Not stated in this record
Fixed versions: Not stated in this record
Prerequisites: Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.12::el8"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.12",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.25.5-36.rhaos4.12.git2e7f657.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.13::el8",
      "cpe:/a:redhat:openshift:4.13::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.13",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.26.5-32.rhaos4.13.git1088e36.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.14::el8",
      "cpe:/a:redhat:openshift:4.14::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.14",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.27.8-22.rhaos4.14.git0633bf1.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.15::el8",
      "cpe:/a:redhat:openshift:4.15::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.15",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.28.11-17.rhaos4.15.git48e6ddb.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.16::el8",
      "cpe:/a:redhat:openshift:4.16::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.16",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.29.13-14.rhaos4.16.git84cfdc6.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.17::el8",
      "cpe:/a:redhat:openshift:4.17::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.17",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.30.14-13.rhaos4.17.git3a25d98.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.18::el8",
      "cpe:/a:redhat:openshift:4.18::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.18",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.31.13-14.rhaos4.18.gitf2de9ac.el8",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.19::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.19",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.32.13-11.rhaos4.19.git089e95c.el9",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.20::el8",
      "cpe:/a:redhat:openshift:4.20::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.20",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.33.13-5.rhaos4.20.git7ebc848.el9",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.21::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.21",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.34.11-4.rhaos4.21.git358c4b4.el9",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4.22::el8",
      "cpe:/a:redhat:openshift:4.22::el9",
      "cpe:/a:redhat:openshift_ironic:4.22::el9"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4.22",
    "versions": [
      {
        "status": "unaffected",
        "version": "0:1.35.6-5.rhaos4.22.git41f610b.el9",
        "lessThan": "*",
        "versionType": "rpm"
      }
    ],
    "packageName": "cri-o",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:confidential_compute_attestation:1"
    ],
    "vendor": "Red Hat",
    "product": "Confidential Compute Attestation",
    "packageName": "openshift-sandboxed-containers/osc-monitor-rhel9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "packageName": "openshift4/cnf-tests-rhel8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  },
  {
    "cpes": [
      "cpe:/a:redhat:openshift:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
    "packageName": "openshift4/ztp-site-generate-rhel8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "defaultStatus": "affected"
  }
]

Related CVEs: CVE-2026-15809
Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event: #5674 · Revision 1
Added to Heist Feed: Sat, 24 Oct 2026 22:12:43 GMT
Publisher date: Wed, 15 Jul 2026 12:32:42 GMT

Read the original announcement